In medium skillet, cook broccoli rabe, garlic and crushed red pepper in 2 tbsp. oil over medium-high, stirring, until crisp-tender, 4 minutes; season. Top 4 slices bread with pesto, cheese, broccoli rabe, soppressata and remaining bread; brush with remaining oil. In large nonstick skillet, cook over medium until browned, 3 minutes per side.
